public async Task <Application> Show(Type appType, ApplicationOptions opts = null)
{
LogSharp.Debug("UrhoSurface: Show.");
await waitWhileSuperviewIsNullTaskSource.Task;
UrhoPlatformInitializer.DefaultInit();
await Task.Yield();
paused = false;
opts = opts ?? new ApplicationOptions();
LogSharp.Debug("UrhoSurface: Show. Wait semaphore.");
await Semaphore.WaitAsync();
//await Stop();
if (Application.HasCurrent)
{
await Application.Current.Exit();
}
await Task.Yield();
SDL_SetExternalViewPlaceholder(Handle, Window.Handle);
Hidden = true;
var app = Application.CreateInstance(appType, opts);
Application = app;
app.Run();
Semaphore.Release();
await Application.ToMainThreadAsync();
InvokeOnMainThread(() => Hidden = false);
LogSharp.Debug("UrhoSurface: Finished.");
return(app);
}
public static void StopRendering(Application app)
{
LogSharp.Debug("UrhoSurface: StopRendering.");
Resume();
if (Application.HasCurrent && Application.Current.Graphics?.IsDeleted != true)
{
var window = Application.Current.Graphics.SdlWindow;
if (window != IntPtr.Zero)
{
LogSharp.Debug("UrhoSurface: UIKit_StopRenderLoop.");
UIKit_StopRenderLoop(window);
}
}
LogSharp.Debug("UrhoSurface: Finished.");
}
public async Task Stop()
{
LogSharp.Debug("UrhoSurface: Stop.");
if (Application == null || !Application.IsActive)
{
return;
}
LogSharp.Debug("UrhoSurface: Stop. Wait semaphore.");
await ExitSemaphore.WaitAsync();
LogSharp.Debug("UrhoSurface: Stop. Exiting...");
await Application.Exit();
LogSharp.Debug("UrhoSurface: Stop. Removing subviews...");
foreach (var view in Subviews)
{
view.RemoveFromSuperview();
}
ExitSemaphore.Release();
LogSharp.Debug("UrhoSurface: Stop. Finished.");
}